Hello all. I have a Dell Latitude 7420 running Zorin OS 16 with lux encryption. Every so often after entering the decryption password it hangs on the black screen. When I hit F2 I see the following:
You might try reinstalling GDM or using the nomodeset grub parameter.
It looks like the additional process of verifying the LUKS authentication is adding to your boot time in a way that times out the graphics drivers init prior to reaching the desktop.